/
/
opt
/
alt
/
python39
/
lib
/
python3.9
/
site-packages
/
pip
/
_internal
/
cli
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Dir:
/opt/alt/python39/lib/python3.9/site-packages/pip/_internal/cli
Edit:
/opt/alt/python39/lib/python3.9/site-packages/pip/_internal/cli/command_context.py
from contextlib import ExitStack, contextmanager from typing import ContextManager, Iterator, TypeVar _T = TypeVar("_T", covariant=True) class CommandContextMixIn: def __init__(self) -> None: super().__init__() self._in_main_context = False self._main_context = ExitStack() @contextmanager def main_context(self) -> Iterator[None]: assert not self._in_main_context self._in_main_context = True try: with self._main_context: yield finally: self._in_main_context = False def enter_context(self, context_provider: ContextManager[_T]) -> _T: assert self._in_main_context return self._main_context.enter_context(context_provider)
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